Learn More About Our Practice

Dr. Diederich and Dr. Chan would like to personally invite you to explore what makes our practice unique and special.


Welcome to the office of Gregory Diederich, DDS and Marvin Chan, DMD. Here, our team understands that dental health is not just about the whitest smiles. We strive to deliver outstanding care that enables our patients to maintain their optimum oral health for their entire life, resulting in total patient health.

Our mission is to help our patients accomplish these goals through the highest quality of compassionate dental care while utilizing the latest in dental technology. With experience and expertise ranging from basic dental care to advanced restorative solutions, we offer our patients comprehensive care encompassing all the dental specialties.

Meet the Doctors

Dr. Marvin Chan, Dmd, AFAAID, FICOI

Dr. Chan’s passion for dentistry began in high school working as a dental assistant. In 2013, he received his DMD degree from Western University of Health Sciences in California. After graduation, Dr. Chan moved to Ohio and has been practicing here since. His training in oral implantology allowed him to place and restore all types of implants. With continued study in the field, Dr. Chan achieved Associate Fellow status in the American Academy of Implant Dentistry, the only organization in the country that grants credentials based on written and oral examination. As one of 750 dentists who hold this distinguished credentials, Dr. Chan is one of the leading experts in implant care. Dr. Chan has also received Fellow status with the ICOI in recognition of his expertise and clinical acumen. ICOI is the world’s largest dental implant organization and the world’s largest provider of dental implant education. He is passionate and committed to helping all patients achieve optimum oral health, while meticulously crafting beautiful and natural-looking smiles.

While not at the office, Dr. Chan enjoys family time with his wife and toddler son, watching basketball games and being a foodie. He is also an active participant in helping the underserve community.


  • American Academy of Implant Dentistry (Associate Fellow)
  • International Congress of Oral Implantologists (Fellow)
  • American Dental Association
  • Ohio Dental Association
  • The Greater Cleveland Dental Association

Dr. Gregory Diederich, DDS

Hailing from North Ridgeville, Dr. Gregory Diederich has been practicing dentistry for more than 30 years. He attended school at the Case Western Reserve University School of Dentistry, and continued his training with an Advanced General Practice Residency as a member of the United States Air Force.

Following 8 years of service, Dr. Diederich returned to Northeast Ohio and has practiced in the area since. When not striving to keep his patients happy and healthy, he enjoys biking and spending quality time with his family.


Tensele, Hygienist

Tensele is a Registered Dental Hygienist (RDH) and a graduate of Lorain County Community College. She joined our team in 2020 and enjoys educating and caring for the needs of our patients. Tensele loves that our office is a family friendly environment, that the needs of each patient are valued, and that we strive to give the best quality care. Tensele’s goal is to continue to develop her knowledge and skills as a hygienist so she can continue to provide the best care.

Tensele is a proud mother of two! Her daughter Kiara is a graduate of Kent State University and her son Daryl is currently a Junior at the University of Akron. When not in the office, she enjoys spending time with family, friends, and traveling.

Chelsea, Hygienist

Chelsea is graduate of Amherst Steele High School. Shortly after, she joined the United States Air Force and was a Dental Assistant for six years while stationed in Italy. Chelsea is a mother of two! Meelah and Clayton, and they are her entire world. When she is not working, she enjoys spending time going on fun adventures with her children, enjoying time with her family, going to concerts and sporting events, playing softball, and traveling.

Chelsea graduated from Lorain County Community College as a Registered Dental Hygienist (RDH). She joined our team in 2021 and is excited to share her knowledge and skills with all our patients. Chelsea enjoys building the patient/provider relationship and is eager to gain your trust and help you lead a healthier life. She loves that we are a family friendly patient driven office and is excited to be a part of our team.

Our patients say

"I like Tinsel very much.  She is gentle and, I think, thorough. Dr. Chan was a grand happy surprise. Since Dr. D put Marvin’s name on the door, he has passed muster with his older colleague, and so many tryouts did not!!"

Maryann H

"I always used to dread going to the dentist, but my experience with Dr. Diedrich and Dr. Chan has been fantastic.  I would highly recommend them to anyone looking for a dentist."

June E

"I have been a patient for many years and am an anxious person when someone is working on my teeth. I would not go anywhere else because Dr. Diederich has managed my issues very well. He simply cannot ever retire!!"

Cindy A

"Very professional and friendly and helpful!  My husband and I have been seeing Dr. Diederich and staff for over 30 years."

Catherine G

"Lovely office… wonderful personnel…  Dr. Diederich is a caring dentist. I highly recommend."


“Always been happy with all their work and been going there for many years."

Barry R

Our Difference

Investing in Quality Care

Advanced Restorative Solutions is a full service dental office that can provide everything from the most basic dental services to complex treatment plans. Whether a basic dental cleaning is needed or a missing tooth restored with a dental implant, we can provide the services you require. We are a progressive dental team who continually invests in continuing education and proven technology to bring you the very best that advanced dentistry has to offer.

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